Wrench.



N. J. LEBOMIBARB.

WRENCH.

APPLICATION FILED AUG.18, 1913.

Patented Apr. 7, 1914 Inventor Attorneys NELSON J. LEBOMBABB, OE HYDE, MICHIGAN.

WRENCH.

Specification of Letters Patent.

Patented Apr. 7, 1914.

Application filed August 18, 1913. Serial No. 785,448.

To all whom it may concern Be it known that I, NELSON J. LEBOM- BARB, a citizen of the United States, residing at Hyde, in the county of Delta and State of Michigan, have invented a new and useful Wrench, of which the following is a specification.

This invention relates to improvements in wrenches and more particularly to that class of wrenches in which the handle is adapted to force a sliding jaw into contact with a nut and hold the same in a rigid manner.

The object of the present invention is to provide an improved form of wrench in which the sliding jaw is adapted to move along a track therefor which holds the moving and stationary jaws in parallel relation.

A further object is to provide a wrench in which the sliding jaw moves along a stationary track so that there will be no projecting parts due to a closing of the jaws.

A further object is to provide the sliding jaw with a downwardly extending projection, and a handle pivotally secured to the Wrench head and adapted to engage the said sliding jaw projection and to force the same toward the stationary aw.

With the foregoing and other objects in view which will appear as the description proceeds, the invention resides in the combination and arrangement of parts and in the details of construction hereinafter described and claimed, it being understood that changes in the precise embodiment of the invention herein disclosed, can be made within the scope of what is claimed, with out departing from the spirit of the invention.

In the drawings accompanying this specification and forming a part thereof, the preferable form of my invention is illustrated, in which Figure 1 is a side view of my improved wrench. Fig. 2 is a sectional view of the head thereof. Fig. 3 is an edge view with the outer portion of the handle removed. Fig. 4 illustrates in perspective the track or guide supporting member. Fig. 5 is a perspective view of the sliding jaw. Fig. 6 is a perspective view of a portion of the handle which is adapted to pivotally engage the wrench head and wedgedly engage the sliding jaw.

Referring to the drawings in which similar reference numerals designate corresponding parts throughout the several views, 1 is the wrench head and is formed with the solid stationary jaw 2, formed integral with which is the casing 3, a portion of the said casing being removed in Fig. 2 to more clearly illustrate the manner in which the handle engages the sliding jaw.

The casing 3 is provided with alined apertures & extending therethrough and into which is adapted to fit the pin 5 which pivotally engages an aperture 6 formed in the wrench handle 7. The pin 5 is adapted to rigidly engage the casing apertures 4: and to be held rigidly therein while the handle 7 is adapted to rotate freely upon the said pin. The handle 7 is provided at its inner end with the triangular notch 8, which notch is adapted to receive therein a portion of the sliding jaw and to engage the same toforce the sliding jaw into contact with the stationary jaw or any article which may be interposed therebetween.

The sliding jaw 9 is provided with the transverse aperture 10 extending therethrough and which aperture is adapted to slidably engage a bar 11 which acts in the nature of a guide or track and is adapted to hold the jaw 9 in parallel relation with the stationary jaw 2 and at the same time allow the sliding jaw to advance toward. or retract from the stationary jaw so as to engage plane surfaces therebetween. The aperture 10 and bar 11 are illustrated as being substantially square in cross sectional contour but it is to be understood that the exact shape of the part-s in question may be varied. The guide bar or track is preferably formed integral with the stationary jaw 2 and projects at right angles therefrom, the outer free end thereof being rigidly secured to the casing 3 by means of the supporting member 12 illustrated in detail in Fig. 4:. The supporting member is substantially inverted H-shape in outline and comprises the inner and outer cross members 13 and 14 extending between which and formed integral therewith is the restricted portion 16. As illustrated in Figs. 1 and 2 the upper portion 14: is adapted to engage a suitable square notch. 17 formed in the track and is rigidly held therein by a rivet 18 or other equivalent means. The lower portion. of the supporting member is secured as at 19 to the casing 3 and is rigidly held thereto. The supporting member provides the double function. of providingarigid support for the free end of the track and atthe same time limits the movement of the sliding jaw and prevents the accidental displacement thereof such as would occur if the sliding jaw should override the free end of the track.

The sliding. jaw 9 moves upon the track and is supported thereby and at the same time the outer surface 20 of the sliding jaw contacts with the inner milled surface 21 of the casing and is also supported thereby.

The sliding jaw is provided with the downf wardly extending triangular lug or projection 22 which extends within and is engaged by the triangular notch 8. of the wrench handle. Q From the foregoing it will be apparent that the handle is vadapted to contact with and move the sliding jaw in either direction taken with respect to the stationary jaw and is therefore adapted to engage or disengage a nut or simllar wrench engageable article.

It is to be noted in the construction hereinbefore outlined, that the moving of the jaw- 9 does not bring any parts which are connected therewith beyond the head of the wrench, this point being of importance as should any parts of the sliding jaw be necessary to project beyond the head of the wrench when assuming a closed position, it very often happens that the part in question comes in contact with a surface WhlChflIGIlders it impossible for the jaw to close. The wrench therefore may be used in a limited space and is adapted to quickly engage a nut for theturning thereof.

Having thus described the invention what I claim to be new and original with me is 1. A wrench comprising a stationary jaw, a plate extending therefrom, a track carried by the stationary jaw extending at right angles therefrom and spaced a distance from the extremity of the said plate, a sliding jaw provided with a transverse aperture extending therethrough, said aperture a'dapted to receive therein the said track for the guiding of the movements of the sliding jaw, the sliding jaw extended and contacting with the surface of the said plate, a projection carried by the sliding jaw, a

wrench handle pivotally secured to the said plate and adapted to engage the said slid.- ing jaw projection to force the same toward or away from the said stationary jaw, and a track supporting member rigidly secured to the said plate and to the said track adapted to hold the same in spaced and rigid relation.

2. A wrench comprising a stationary jaw, a plate extending therefrom and carried thereby, a track carried by the stationary jaw and extending at an angle thereto and spaced a distance from the extremity of said plate, a sliding jaw provided with a transverse aperture extending therethrough, said aperture slidably and non-'rotatably receiving thetrack therethrough for'the guidingof the movements of the sliding jaw, the sliding jaw extended and contacting with the surface of the said plate, said slid- 1 ing jaw provided with a projection extending' therefrom, a wrench'handle'pivotally se- 'NELsoNJ. LEBOMBARB.

ISAAC BELANG'ER, PHIL LABnE.

G'opies of this patent may be obtained for five cents each, by'a'ridre's sin g the Commissioner of Patents,

7 WashingtomD. C. 

